arch/powerpc/boot/cuboot-yosemite.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Old U-boot compatibility for Yosemite
   4  *
   5  * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
   6  *
   7  * Copyright 2008 IBM Corporation
   8  */
   9
  10 #include "ops.h"
  11 #include "stdio.h"
  12 #include "4xx.h"
  13 #include "44x.h"
  14 #include "cuboot.h"
  15
  16 #define TARGET_4xx
  17 #define TARGET_44x
  18 #include "ppcboot.h"
  19
  20 static bd_t bd;
  21
  22 static void yosemite_fixups(void)
  23 {
  24         unsigned long sysclk = 66666666;
  25
  26         ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
  27         ibm4xx_sdram_fixup_memsize();
  28         ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
  29         dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  30         dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  31 }
  32
  33 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  34                 unsigned long r6, unsigned long r7)
  35 {
  36         CUBOOT_INIT();
  37         platform_ops.fixups = yosemite_fixups;
  38         platform_ops.exit = ibm44x_dbcr_reset;
  39         fdt_init(_dtb_start);
  40         serial_console_init();
  41 }